I've managed to boot up using systemrescuecd and I've managed to get the RAID1
boot (/dev/md0) partition to mount.
I've also looked at the RAID5 swap partition that I had forgotten about and
that looks fine.
The problem is with the main RAID5 device /dev/md2 which should consist of 5
partitions over 5 drives, one of which is dead and disconnected. However,
when I try to use this device it will not mount, and when I look at it, it
says that only 2 of the 5 devices are available. How do I get it back to
using all 4 partitions?
root@sysresccd /root % mdadm --detail /dev/md2
/dev/md2:
Version : 0.90
Creation Time : Fri Aug 29 12:29:18 2008
Raid Level : raid5
Used Dev Size : 483492096 (461.09 GiB 495.10 GB)
Raid Devices : 5
Total Devices : 2
Preferred Minor : 2
Persistence : Superblock is persistent
Update Time : Thu May 13 20:27:51 2010
State : active, degraded, Not Started
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 256K
UUID : 549f851d:f698831d:8e1f38fa:6d8d3a6f
Events : 0.553056
Number Major Minor RaidDevice State
0 0 0 0 removed
1 0 0 1 removed
2 0 0 2 removed
3 8 34 3 active sync /dev/sdc2
4 8 50 4 active sync /dev/sdd2
root@sysresccd /root %
--
Gary Stainburn
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